Healthy indoor air quality
Why are basements moldy? How to fix or Prevent a Moldy Basement
...vapour barrier (60ng and under).
At that level of moisture permeability, an almost immeasurably small amount of moisture will be able to migrate into the wall, but with no interior vapour barrier it will pass through harmlessly. EPS, XPS and mineral wool are unharmed by moisture, and perhaps most importantly, EPS and...